Answer:
P₇₅ = (3/2) X
Step-by-step explanation:
Given
The median m = P₅₀ = X
P₇₅ = ?
Knowing that
P₅₀ = X = n*50/100
where n is the number of data points
If
X = n*50/100 ⇒ n = 2X
then we apply the formula
P₇₅ = n*75/100
⇒ P₇₅ = (2X)*75/100
⇒ P₇₅ = (3/2) X
